| x - 2 | > with a line on the bottom 4

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4